4949879 has 4 divisors (see below), whose sum is σ = 5399880. Its totient is φ = 4499880.

The previous prime is 4949843. The next prime is 4949881. The reversal of 4949879 is 9789494.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4949879 - 2¹² = 4945783 is a prime.

It is a super-2 number, since 2×4949879² = 49002604229282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4949179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224984 + ... + 225005.

It is an arithmetic number, because the mean of its divisors is an integer number (1349970).

Almost surely, 2^4949879 is an apocalyptic number.

4949879 is a deficient number, since it is larger than the sum of its proper divisors (450001).

4949879 is a wasteful number, since it uses less digits than its factorization.

4949879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450000.

The product of its digits is 653184, while the sum is 50.

The square root of 4949879 is about 2224.8323532347. The cubic root of 4949879 is about 170.4243034208.

The spelling of 4949879 in words is "four million, nine hundred forty-nine thousand, eight hundred seventy-nine".